Sprinkles Choco Cherry
A x x x
B o o o
C o o o
It must be the above scenario because each type of topping is chosen by 2
(i) "The friend who chose to not add a cherry also chose to not add chocolate sauce"
==> If Cherry and Choco is already not chosen by A, then they must be chosen by B and C
(ii) The friend who chose not to add chocolate sauce also chose not to add sprinkle
From (i) --> Only A chose not add choco
==> A didn't choose sprinkle
===> 2 friends, each choosing 3 toppings
A x x x
B o o o
C o o o
It must be the above scenario because each type of topping is chosen by 2
(i) "The friend who chose to not add a cherry also chose to not add chocolate sauce"
==> If Cherry and Choco is already not chosen by A, then they must be chosen by B and C
(ii) The friend who chose not to add chocolate sauce also chose not to add sprinkle
From (i) --> Only A chose not add choco
==> A didn't choose sprinkle
===> 2 friends, each choosing 3 toppings
Statistics : Posted by Gemmie • on 11 Dec 2020, 07:47 • Replies 3 • Views 1374








